Cups to Ounces Converter

Quickly convert between cups and ounces for all your cooking needs

Conversion Calculator

Conversion Result:

Quick Reference Guide

Standard Conversion: 1 US cup = 8 US fluid ounces (for liquids)

Liquid Measurement Chart

Cups	Fluid Ounces (US)
1/8 cup	1 fl oz
1/4 cup	2 fl oz
1/3 cup	2.67 fl oz
1/2 cup	4 fl oz
2/3 cup	5.33 fl oz
3/4 cup	6 fl oz
1 cup	8 fl oz
2 cups (1 pint)	16 fl oz
4 cups (1 quart)	32 fl oz

Common Dry Ingredients Weight

Ingredient	Weight per Cup
All-purpose flour	4.5 oz (125g)
Granulated sugar	7 oz (200g)
Packed brown sugar	7.5 oz (215g)
Butter	8 oz (227g)
Rolled oats	3 oz (85g)

Measurement Tips

Liquids: Use clear liquid measuring cups on a level surface. View at eye level for accuracy.
Dry ingredients: Spoon flour into measuring cups and level with a straight edge.
Sticky ingredients: Lightly grease measuring cups for honey, molasses, or peanut butter.
Brown sugar: Pack firmly into the measuring cup unless recipe states otherwise.
Best practice: For baking, use a digital kitchen scale for precise measurements.

FAQs

Why is my cup measurement different from the calculator?

Dry ingredients vary by how they're packed. The calculator uses standard weights, but your results may differ based on measuring technique. For absolute precision, use weight measurements.

Are UK and US cups the same?

No. 1 UK cup equals 10 imperial fluid ounces (284ml), while 1 US cup is 8 US fluid ounces (237ml). Australian cups are 250ml. Always check which system your recipe uses.

How do I convert ounces to grams?

1 ounce = 28.35 grams. For quick estimates: 4 oz ≈ 113g, 8 oz ≈ 227g, 16 oz (1 lb) ≈ 454g. Our calculator will soon include gram conversions!